Engineered for high-performance DC systems, this Solar Molded Case Circuit Breaker (MCCB) provides reliable 150A or 250A overload and short-circuit protection for photovoltaic arrays and battery banks. Its robust design ensures stable operation under demanding conditions, safeguarding your investment by isolating faults and preventing costly damage to sensitive components. Features and Benefits
- High DC Voltage Rating - Specifically designed for the higher voltage requirements of solar PV strings, offering superior arc interruption compared to standard AC breakers.
- Thermal-Magnetic Trip Mechanism - Provides precise overload protection with adjustable settings and instantaneous response to dangerous short-circuit currents.
- Durable Molded Case Construction - Offers excellent insulation, corrosion resistance, and mechanical strength for long-term reliability in outdoor or harsh environments.
- Clear ON/OFF Indication and Trip Status - Allows for quick visual confirmation of circuit status and easy identification of a tripped breaker for faster troubleshooting.
- Compact and Efficient Design - Saves valuable space in combiner boxes or distribution panels while maintaining full-rated performance. Applications
- PV String Combiner Box Protection - Acts as the main disconnect and overcurrent device for individual solar panel strings within a commercial or residential array.
- Battery Bank Isolation and Safety - Serves as a critical safety switch and protector for large 48V or higher battery banks in off-grid or backup power systems.
- DC Distribution Panel Integration - Provides branch circuit protection for inverters, charge controllers, and other critical DC loads in renewable energy installations.
- Industrial DC Power Systems - Suitable for protecting circuits in telecom, marine, and electric vehicle charging infrastructure that operate on direct current. Note
Always ensure proper sizing by a qualified professional. This breaker is designed for DC use only and must be installed according to all applicable local electrical codes and standards.
Breaking Capacity: (Value not specified). Rated Voltage: DC (Value not specified). Application: Photovoltaic (PV) DC Systems, Battery Isolation. Electrical Life: (Value not specified). Enclosure Protection Rating: (Value not specified). Mechanical Life: (Value not specified). Mounting Type: (Value not specified). Operating Temperature Range: (Value not specified). Pole Configuration: 1P. Product Type: Molded Case Circuit Breaker (MCCB). Rated Current: 150A, 250A. Standards Compliance: (Value not specified). Terminal Type: (Value not specified). Trip Curve Type: (Value not specified). Dimensions (LxWxH): ~150 x 90 x 70 mm (Approx. for 2P 250A). Housing Material: Thermoplastic, Glass-Reinforced. Rated Insulation Voltage (Ui): 1200 V DC (Inferred). Rated Operational Voltage (Ue): 1000 V DC (Inferred for PV). Operating Temperature Range: -25°C to +70°C (Inferred for PV). Storage Temperature Range: -40°C to +85°C (Inferred). Ultimate Breaking Capacity (Icu): 25 kA DC (Typical for PV MCCB). Enclosure Protection Rating: IP20 (Typical for MCCB). Standards Compliance: IEC 60947-2, UL 489B (Inferred for DC). Application: Photovoltaic (PV) DC Systems / Battery Isolation. Auxiliary Contact Configuration: Optional (1NO+1NC typical). Connection Type: Screw Terminal. Electrical Endurance: 5,000 operations at rated current. Mechanical Endurance: 10,000 operations minimum. Mounting Style: Fixed. Pole Configuration: 2-Pole (DC). Product Type: Molded Case Circuit Breaker (MCCB). Rated Current (In): 150A, 250A (Dual Rating). Terminal Torque Specification: 20-25 Nm (Typical for rating). Trip Characteristic: Type B or C (Inferred for PV/Battery). Trip Unit Type: Thermal-Magnetic. Q: What are the specifications for this Solar Molded Case DC Circuit Breaker? A: This is a Moulded Case Circuit Breaker (MCCB) designed for DC applications. It is available in 150A and 250A current ratings, providing overload and short-circuit protection for photovoltaic (PV) systems and battery banks.. Q: How durable is this DC circuit breaker for outdoor solar use? A: The molded case construction offers robust protection against environmental factors common in solar installations. It is built to handle the demands of photovoltaic systems, ensuring reliable long-term performance and safety.. Q: Can this MCCB be used for both solar panel and battery bank protection? A: Yes, this circuit breaker is specifically designed as a photovoltaic PV protector and battery isolator. It is suitable for protecting DC circuits in both solar panel arrays and the connected battery storage systems.. Q: Does this product come with a warranty or guarantee? A: Warranty details are typically provided by the seller at the point of purchase. We recommend checking the specific product listing or contacting the seller directly for information on the warranty coverage for this circuit breaker.. Q: Is this Solar MCCB a good value for a professional installation? A: Yes, this offers excellent value for DIY enthusiasts and professionals seeking quality without premium brand pricing. It delivers reliable performance for regular use in solar and battery protection applications..